From 9f98ad0e2df30173aa7588f93fb0aa38a3679605 Mon Sep 17 00:00:00 2001
From: Edward Hope-Morley <edward.hope-morley@canonical.com>
Date: Thu, 6 Sep 2018 11:33:53 +0100
Subject: [PATCH] Fixup config description for libvirt-image-backend

Change-Id: Ie04fd55ec618eaf423223d35943b2a842f5c0870
---
 config.yaml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/config.yaml b/config.yaml
index 1488e8b4..5660bec5 100644
--- a/config.yaml
+++ b/config.yaml
@@ -269,9 +269,11 @@ options:
     type: string
     default:
     description: |
-      Tell Nova which libvirt image backend to use. Supported backends are rbd
-      and qcow2. If no backend is specified, the Nova default (qcow2) is
-      used. Note that rbd imagebackend is only supported with >= Juno.
+      Tell Nova which libvirt image backend to use. Supported backends are raw,
+      qcow2, rbd and flat. If no backend is specified, the Nova default (qcow2) is
+      used.
+      NOTE: "rbd" imagebackend is only supported with >= Juno.
+      NOTE: "flat" imagebackend is only supported with >= Newton and replaces "raw".
   force-raw-images:
     type: boolean
     default: True